sched,rcutorture: Convert to sched_set_fifo_low() (ce1c8afd) · Commits · 戴 / test

Because SCHED_FIFO is a broken scheduler model (see previous patches) take away the priority field, the kernel can't possibly make an informed decision. Effectively no change. Cc: paulmck@kernel.org Signed-off-by:

Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by:

Ingo Molnar <mingo@kernel.org> Reviewed-by:

Paul E. McKenney <paulmck@kernel.org>

kernel/rcu/rcutorture.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -889,13 +889,11 @@ static int rcu_torture_boost(void *arg)
		unsigned long endtime;
		unsigned long oldstarttime;
		struct rcu_boost_inflight rbi = { .inflight = 0 };
		struct sched_param sp;

		VERBOSE_TOROUT_STRING("rcu_torture_boost started");

		/* Set real-time priority. */
		sp.sched_priority = 1;
		if (sched_setscheduler(current, SCHED_FIFO, &sp) < 0) {
		if (sched_set_fifo_low(current) < 0) {
		VERBOSE_TOROUT_STRING("rcu_torture_boost RT prio failed!");
		n_rcu_torture_boost_rterror++;
		}

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